http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52699
--- Comment #9 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> 2012-04-15 02:14:45 UTC --- Author: paolo Date: Sun Apr 15 02:14:39 2012 New Revision: 186461 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=186461 Log: 2012-04-14 Paolo Carlini <paolo.carl...@oracle.com> PR libstdc++/52699 * include/bits/random.tcc (independent_bits_engine<>::operator()()) Avoid various overflows; use common_type on result_type and _RandomNumberEngine::result_type; avoid floating point computations; other smaller tweaks. * include/bits/random.tcc (uniform_int_distribution<>::operator()) Use common_type; assume _UniformRandomNumberGenerator::result_type unsigned; tidy. * include/bits/stl_algobase.h (__lg(unsigned), __lg(unsigned long), __lg(unsigned long long)): Add. Modified: branches/gcc-4_7-branch/libstdc++-v3/ChangeLog branches/gcc-4_7-branch/libstdc++-v3/include/bits/random.tcc branches/gcc-4_7-branch/libstdc++-v3/include/bits/stl_algobase.h
